<template>
  <a-layout-content
      :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
  >

    <a-row :gutter="24">
      <a-col :span="8">
        <p>
          <a-form layout="inline" :model="param">
            <a-form-item>
              <a-button type="primary" @click="handleQuery()">
                查询
              </a-button>
            </a-form-item>
            <a-form-item>
              <a-button type="primary" @click="add()">
                新增
              </a-button>
            </a-form-item>
          </a-form>
        </p>
        <a-table
            v-if="level1.length>0"
            :columns="columns"
            :row-key="record => record.id"
            :data-source="level1"
            :pagination="false"
            :loading="loading"
            size="small"
            :defaultExpandAllRows="true"

        >
          <!-- pagination="pagination" 分页  @change="handleTableChange 触发改函数
              :loading="loading" 加载图标 ture 就显示加载
            -->
          <template #name="{ text,record }">
            {{record.sort}} {{text}}
          </template>
          <template v-slot:action="{ text, record }">
            <a-space size="small">

              <!--                                          record 就是每行的值       -->
              <a-button type="primary"  @click="edit(record)" size="small">
                编辑

              </a-button>
              <a-popconfirm
                  title="确定是否删除? 删除后不可恢复"
                  ok-text="是"
                  cancel-text="否"
                  @confirm="handleDelete(record.id)"

              >
                <a-button type="danger" size="small">
                  删除
                </a-button>
              </a-popconfirm>

            </a-space>
          </template>
        </a-table>

      </a-col>
      <a-col :span="16">
        <p>
          <a-form-item >
        <a-button type="primary"  @click="handleSave()" size="small">
          保存
        </a-button>
          </a-form-item>
        </p>
        <a-form :model="doc" layout="vertical">

          <a-form-item label="名称">
            <a-input v-model:value="doc.name"  placeholder="请输入名称"/>
          </a-form-item>
          <a-form-item label="父文档">
            <a-tree-select
                v-model:value="doc.parent"
                :tree-data="treeSelectData"
                style="width: 100%"
                :dropdown-style="{ maxHeight:'400px' ,overflow:'auto'}"
                placeholder="请选择父文档"

                tree-default-expand-all
                :replaceFields="{ title:'name' ,key:'id', value:'id' }"
            >

            </a-tree-select>
          </a-form-item>
          <a-form-item label="父文档">
            <a-input v-model:value="doc.parent" />
            <a-select
                v-model:value="doc.parent"
                ref="select"
            >
              <a-select-option :value="0">
                无
              </a-select-option>
              <a-select-option v-for="c in level1" :key="c.id" :value="c.id" :disabled="doc.id === c.id">
                {{c.name}}
              </a-select-option>
            </a-select>
          </a-form-item>
          <a-form-item label="顺序"   placeholder="请输入顺序">
            <a-input v-model:value="doc.sort" />
          </a-form-item>
          <a-form-item label="内容">
            <div id="content"></div>
          </a-form-item>
        </a-form>
      </a-col>
    </a-row>


  </a-layout-content>
<!--  <a-modal-->
<!--      title="文档表单"-->
<!--      v-model:visible="modelVisible"-->
<!--      :confirm-loading="modelLoading"-->
<!--      @ok="handleOk"-->
<!--  >-->
<!--    -->
<!--  </a-modal>-->
</template>
<script   lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import {Tool} from "@/util/tool";
import {useRoute} from "vue-router";
import E from 'wangeditor';



export default defineComponent({
  name: 'AdminCategory',
  setup() {
    const param = ref();
    param.value={};
    const docs = ref();
    const route = useRoute();
    //route.path： /admin/doc
    //  route.query： {ebookId: '1'}
    //  route.param： {}
    //  route.fullPath： /admin/doc?ebookId=1
    //    route.name： AdminDoc
    console.log("路由：", route);
    console.log("route.path：", route.path);
    console.log("route.query：", route.query);
    console.log("route.param：", route.params);
    console.log("route.fullPath：", route.fullPath);
    console.log("route.name：", route.name);
    console.log("route.meta：", route.meta);
    const loading = ref(false);

    const columns = [

      {
        title: '名称',
        dataIndex: 'name',
        slots: {customRender: 'name'},
      },

      {
        title: 'Action',
        key: 'action',
        slots: {customRender: 'action'},
      },
    ];

    /**
     * 一级文档树，children属性就是二级文档
     * [{
     *   id: "",
     *   name: "",
     *   children: [{
     *     id: "",
     *     name: "",
     *   }]
     * }]
     */
    const level1 =ref();
    level1.value=[];
    //数据查询
    const handleQuery = () => {
      loading.value = true;
      level1.value = [];
      axios.get("doc/all/"+route.query.ebookId).then((response) => {
        loading.value = false;
        const data = response.data;
        if(data.success){
          docs.value = data.content;
          console.log("原始的数组" , docs.value);
          level1.value=[];
          level1.value= Tool.array2Tree(docs.value,0);
          console.log("树形结构",level1)
        }else {
          message.error(data.message);
        }

      })
    };



    //编辑  +表单
    const treeSelectData = ref();
    treeSelectData.value = [];
    const doc =ref();
    doc.value={};
    const modelVisible = ref(false);
    const modelLoading = ref(false);
    const editor = new E('#content');
    editor.config.zIndex=0;

    const handleOk = () => {

      modelLoading.value = true;
      axios.post("doc/save",doc.value).then((response) => {
        const data= response.data;
        modelLoading.value=false;
        //判断数据是否传入才进行操作
        if(data.success){
          modelVisible.value=false;
          //重新加载页面
          handleQuery();
        }else{
          message.error(data.message);
        }
      });

    };
    const handleSave = () => {
      modelLoading.value = true;
      doc.value.content=editor.txt.html();
      axios.post("doc/save",doc.value).then((response) => {
        const data= response.data;
        modelLoading.value=false;
        //判断数据是否传入才进行操作
        if(data.success){
          modelVisible.value=false;
          message.info("保存成功");
          //重新加载页面
          handleQuery();
        }else{
          message.error(data.message);

        }
      });

    };
    const handleQueryContent = ( )=>{
      axios.post("doc/findContent"+doc.value.id).then((response) => {
        const data= response.data;
        editor.txt.html(data);
        //判断数据是否传入才进行操作
        if(data.success){
          modelVisible.value=false;
          //重新加载页面
          handleQuery();
        }else{
          message.error(data.message);
        }
      });
    };
    const edit = (record: any) => {
      editor.txt.html('');
      modelVisible.value = true;
      doc.value=Tool.copy(record);
      handleQueryContent();
      // 不能选择当前节点及其所有子孙节点，作为父节点，会使树断开
      treeSelectData.value = Tool.copy(level1.value);
      setDisable(treeSelectData.value, record.id);

      // 为选择树添加一个"无"
      treeSelectData.value.unshift({id: 0, name: '无'});

    };
    //新增
    const add = () => {
      editor.txt.html('');
      modelVisible.value = true;
      handleQueryContent();
      doc.value={
        ebookId:route.query.ebookId
      };
      treeSelectData.value = Tool.copy(level1.value) || [];

      // 为选择树添加一个"无"
      treeSelectData.value.unshift({id: 0, name: '无'});

    };
    const deleteIds: Array<string> = [];
    const deleteNames: Array<string> = [];
    /**
     * 查找整根树枝
     */
    const getDeleteIds = (treeSelectData: any, id: any) => {
      // console.log(treeSelectData, id);
      // 遍历数组，即遍历某一层节点
      for (let i = 0; i < treeSelectData.length; i++) {
        const node = treeSelectData[i];
        if (node.id === id) {
          // 如果当前节点就是目标节点
          console.log("delete", node);
          // 将目标ID放入结果集ids
          // node.disabled = true;
          deleteIds.push(id);
          deleteNames.push(node.name);

          // 遍历所有子节点
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            for (let j = 0; j < children.length; j++) {
              getDeleteIds(children, children[j].id)
            }
          }
        } else {
          // 如果当前节点不是目标节点，则到其子节点再找找看。
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            getDeleteIds(children, id);
          }
        }
      }
    };

    //删除
    const handleDelete = (id:number) =>{
      getDeleteIds(level1.value, id);
      axios.delete("doc/delete/"+deleteIds.join(',')).then((response) => {
        const data= response.data;
        //判断数据是否传入才进行操作
        if(data.success){
          //重新加载页面
          handleQuery();
        }
      });
    };
    /**
     * 将某节点及其子孙节点全部置为disabled
     */
    const setDisable = (treeSelectData: any, id: any) => {
      // console.log(treeSelectData, id);
      // 遍历数组，即遍历某一层节点
      for (let i = 0; i < treeSelectData.length; i++) {
        const node = treeSelectData[i];
        if (node.id === id) {
          // 如果当前节点就是目标节点
          console.log("disabled", node);
          // 将目标节点设置为disabled
          node.disabled = true;

          // 遍历所有子节点，将所有子节点全部都加上disabled
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            for (let j = 0; j < children.length; j++) {
              setDisable(children, children[j].id)
            }
          }
        } else {
          // 如果当前节点不是目标节点，则到其子节点再找找看。
          const children = node.children;
          if (Tool.isNotEmpty(children)) {
            setDisable(children, id);
          }
        }
      }
    };


    onMounted(() => {
      handleQuery();
      editor.create();
    });
    return {
      columns,
      docs,
      loading,
      modelVisible,
      modelLoading,
      doc,
      param,
      level1,

      treeSelectData,
      handleDelete,
      handleQuery,
      edit,
      add,
      handleOk,
      handleSave
    }
  }

});

</script>